Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A colorless crystalline amino acid, C4H9NO3, that is obtained from the hydrolysis of protein and is an essential component of human nutrition.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry An
essential amino acid C4H19NO3 found in mostanimal proteins .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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The STK11 gene has the ability to produce an enzyme called "serine/threonine kinase 11" that has several important functions:
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ALG fractions were identified as a sugar protein complex and the protein moiety of ALG contained high amounts of glutamic acid (or glutamine), threonine, asparagic acid (or asparagine) and proline.
Allegic Reactions from Lactose in Dry Powder Asthma Inhalers Steve Carper 2008
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They're currently working on methionine and threonine.
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Threonine – The main sources of threonine are carrots, green leafy vegetables, alfalfa and papaya.
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The family of yellow fluorescent proteins was initiated after the crystal structure of green fluorescent protein revealed that threonine residue 203 (Thr203) was near the chromophore.
Archive 2005-10-01 2005
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Fortunately, the excitation maximum of green fluorescent protein is readily shifted to 488 nanometers (in the cyan region) by introducing a single point mutation altering the serine at position 65 into a threonine residue (S65T).
Archive 2005-10-01 2005
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On the hydrophilic side, there is a 4.5 Å separation between repeating threonine and aspartate residues that bind the protein to an ice lattice.
Archive 2004-09-01 2004
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Nearly all humans of European descent have a version of the gene with one type of amino acid, threonine; nearly everyone else has another, alanine.
Archive 2005-12-01 Peggy 2005
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In acid solution hydroloysis would consume most of the tryptophan, and some of the serine and threonine.
Ten Questions to Ask Your Biology Teacher - The Panda's Thumb 2005
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Further, acid hydrolysis would convert cysteine to cystine, and hydrolysis would destroy serine, threonine, cystine, cysteine, and arginine in the alkaline solution generally regarded to have characterized the early ocean.
Ten Questions to Ask Your Biology Teacher - The Panda's Thumb 2005
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